BUY CD40175BE https://www.utsource.net/itm/p/1384479.html
Logic IC
Description: The CD40175BE is a 16-pin CMOS logic device manufactured by Harris Semiconductor. It is a 4-bit magnitude comparator which can compare two 4-bit binary or BCD numbers and determine if one is greater than, equal to, or less than the other.
Features:
High speed: Propagation delay of only 8.5 ns (typical)
Low power: Active current of only 4.5 mA (typical)
Low noise: Noise margin of 0.8 V (typical)
Wide supply voltage range: 3 V to 15 V
High noise immunity: 0.45 VDD (typical)
Applications:
Digital comparators
Digital thermometers
Digital voltmeters
Digital clocks
Digital counters
Digital filters
Digital signal processing
(For reference only)